<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>css2内部样式</title>
    <!-- 只能在本文件生效 -->
<style>
    h1{
        color: blue;
        font-size: 70px;
    }
    h2{
        color: green;
        font-size: 60px;
    }
    img{
        width: 200px;
    }
</style>
</head>
<body>
    <h1>文件</h1>
    <h2>他很多</h2>
    <img src="./我家宝贝.jpg" alt="我家宝贝">
</body>
</html>